| NWS Forecast for: St. Charles County Issued by: National Weather Service Saint Louis, MO Last Update: 643 AM CST Wed Dec 24 2025 |  |
Today: Cloudy. Patchy drizzle this morning. Areas of dense fog this morning. Highs in the mid 60s. East winds 5 to 10 mph, becoming southeast this afternoon. Tonight: Mostly cloudy. Patchy fog. Lows in the lower 50s. South winds around 5 mph, becoming west after midnight. Christmas Day: Patchy fog in the morning. Mostly cloudy. Highs in the mid 60s. North winds around 5 mph, becoming east in the afternoon. Thursday Night: Mostly cloudy. Near steady temperature in the upper 50s. South winds 5 to 10 mph. Friday: Mostly sunny. Highs around 70. Southwest winds 5 to 10 mph, becoming west in the afternoon. Friday Night: Partly cloudy in the evening, then becoming mostly cloudy. Cooler with lows in the upper 40s. Saturday And Saturday Night: Mostly cloudy. Highs around 70. Lows in the mid 40s. Sunday: Mostly cloudy with a chance of rain. A slight chance of snow in the afternoon. Much cooler with highs in the lower 50s. Temperature falling into the upper 30s in the afternoon. Chance of precipitation 30 percent. Sunday Night And Monday: Partly cloudy. Lows around 20. Highs in the upper 20s. Wind chill values as low as 5 above. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Lows 15 to 20. Tuesday: Partly sunny. Highs in the mid 30s. | |
| Zone Forecast: St. Charles County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |